New short-codes and big fixes

Bug

• Remove H2 tag wrapping for block content in the single page template

• Updating a post doesn't work after a period of time

• Missing section title on pages throws a JS error in the console

• Jump Navigation on Chrome Desktop

Story

• CMS Shortcode for card Working NYC UI pattern

• CMS Shortcode for existing Working NYC Programs

Task

• Remove h2 and h3 from WYSIWYG editors